diff --git a/lib/index.js b/lib/index.js
index 75daf6f..8758f27 100755
--- a/lib/index.js
+++ b/lib/index.js
@@ -146,6 +146,7 @@ class TR {
             itemValues.push({_attr: {'turbo': item.turboEnabled ? 'true' : 'false'}});
             itemValues.push({link: item.url});
 
+            self.pushIfConditionTrue(item.extendedHtml, itemValues, {'turbo:extendedHtml': 'true'});
             self.pushIfConditionTrue(item.turboSource, itemValues, {'turbo:source': item.turboSource});
             self.pushIfConditionTrue(item.turboTopic, itemValues, {'turbo:topic': item.turboTopic});
             self.pushIfConditionTrue(item.date, itemValues, {pubDate: new Date(item.date).toUTCString()});
@@ -218,6 +219,7 @@ class TR {
             turboTopic: data.turboTopic || '',
             goals: data.goals || [],
             turboEnabled: data.turboEnabled !== undefined ? data.turboEnabled : true,
+            extendedHtml: data.extendedHtml || false,
         };
     }
 }
diff --git a/test/expectedOutput/extendedHtml.xml b/test/expectedOutput/extendedHtml.xml
new file mode 100644
index 0000000..608178c
--- /dev/null
+++ b/test/expectedOutput/extendedHtml.xml
@@ -0,0 +1 @@
+<rss xmlns:yandex="http://news.yandex.ru" xmlns:media="http://search.yahoo.com/mrss/" xmlns:turbo="http://turbo.yandex.ru" version="2.0"><channel><title><![CDATA[title]]></title><link>http://example.com/rss.xml</link><description><![CDATA[description]]></description><language>ru</language><item turbo="true"><link></link><turbo:extendedHtml>true</turbo:extendedHtml><turbo:content><![CDATA[<header><h1></h1></header>undefined]]></turbo:content></item></channel></rss>
diff --git a/test/index.js b/test/index.js
index 54f4134..2796010 100644
--- a/test/index.js
+++ b/test/index.js
@@ -199,4 +199,15 @@ test('breadcrumbs', function (t) {
     });
 
     t.equal(feed.xml(), expectedOutput.breadcrumbs.trim());
-});
\ No newline at end of file
+});
+
+test('item extendedHtml', function (t) {
+    t.plan(1);
+    const feed = new TR(baseOptions);
+
+    feed.item({
+        extendedHtml: true
+    });
+
+    t.equal(feed.xml(), expectedOutput.extendedHtml.trim());
+});